News
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EarthSolar wind pushes atmospheric breathing
New analyses of satellite data show that cycles of expansion and contraction are tied to changes in the solar wind.
By Sid Perkins -
Health & MedicineDual therapy best for nasty prostate cancer
Dual therapy that adds radiation to medication for aggressive prostate cancer yields better survival and fewer signs of relapse than drugs alone, a large Scandinavian clinical trial finds.
By Nathan Seppa -
SpaceDark energy constantly with us
New X-ray and visible-light observations of the growth of galaxy groups and clusters are offering confirming evidence for the existence of dark energy and suggest that it may resemble the cosmological constant.
By Ron Cowen -
Health & MedicinePotentially potent chemo target in sight
A fruit fly protein that helps control cell differentiation may be a powerful target for stopping human cancers.
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Health & MedicineBreast cancer costs poor people more
Out-of-pocket costs of breast cancer hit poor individuals the hardest.
By Nathan Seppa -
Health & MedicineSoy compound revs up cancer fighter in healthy tissue
A lab study of healthy breast tissue cells shows increases in the tumor suppressor protein PTEN in the presence of soy isoflavone genistein, a compound believed to fight breast cancer.
By Nathan Seppa -
Health & MedicineBreast density signals tamoxifen’s effectiveness
Decreasing breast density signals the drug tamoxifen is working in women at risk of developing breast cancer.
By Nathan Seppa -
LifeHawaii’s honeyeater birds tricked taxonomists
DNA from old museum specimens reveals evolutionary look-alikes.
By Susan Milius -
ArchaeologyTools with handles even more ancient
An analysis of stone tools excavated at a Syrian site indicates that, around 70,000 years ago, Neandertals used a tarlike adhesive to affix sharpened items to handles.
By Bruce Bower -
Health & MedicineStronger role for a breast cancer drug
Going beyond its original role as an add-on for chemotherapy, the breast cancer drug lapatinib, when taken with another kind of frontline drug, may find use for patients with the HER2-positive form of the cancer.
By Nathan Seppa -
LifeStudy raises worries for zoo-born elephants
Study of captive-born females finds big survival gap between zoo natives and elephants in native ranges.
By Susan Milius -
Health & MedicineGene could drive species separation
Newly identified fruit fly gene provides evidence for “cheating genes” that may cause species schisms